* {
    margin: 0;
    padding: 0;
    text-decoration: none;
}

.nav {
    position: relative;
    top: 0;
    width: 100%;
    height: 60px;
    background-color: cornflowerblue;
    line-height: 60px;
    padding-left: 20px;
    /* font-family: 'YouYuan'; */
    font-weight: 700;
}

/* 题目 */
.title {
    color: #ccc;
    user-select: none;
}

/* 题目右边 */
.right {
    float: right;
    width: 270px;
    height: 60px;
    position: absolute;
    top: 0px;
    right: 0px;
    /* background-color: rgb(99, 180, 227); */
}

.right a {
    padding-right: 55px;
    padding-top: 30px;
    padding-bottom: 20px;
    padding-left: 20px;
    color: #ccc;
}

.right a:hover {
    background-color: rgb(130, 167, 234);
    border-radius: 10px;
}

/* 左边导航栏-功能项 */
.nav-left {
    position: fixed;
    width: 13%;
    height: 100%;
    background-color: rgba(100, 149, 237, .6);
}

/* 左导航栏-功能 */
.nav-left a {
    display: block;
    width: 100%;
    height: 25px;
    text-align: center;
    padding-top: 18px;
    padding-bottom: 18px;
    font-size: 18px;
    color: #fff;
}

.nav-left a:hover {
    /* color: rgb(85, 138, 236); */
    background-color: cornflowerblue;
    border-radius: 5px;
}

/* 右边显示信息列表 */
.nav-right {
    position: fixed;
    left: 13%;
    width: 100%;
    height: 100%;
    /* background-color: antiquewhite; */
    user-select: none;
}

/* 搜索书籍框 */
.nav-search .nav-form-group input {
    /* 浮动 */
    float: left;
    width: 10%;
    margin-top: 15px;
    margin-left: 80px;
    margin-bottom: 20px;
    padding: 10px;
    outline: none;
    font-size: 16px;
    outline-style: none;
    border: 0px;
    background-color: rgba(0, 0, 0, 0);
    border-bottom: 1px solid rgba(100, 149, 237, .3);
}

/* 焦点 */
.nav-search .nav-form-group input:focus {
    outline: 0;
    -webkit-box-shadow: inset 0 1px 1px rgba(100, 149, 237, .045), 0 0 8px rgba(100, 149, 237, .4);
    box-shadow: inset 0 1px 1px rgba(100, 149, 237, .045), 0 0 8px rgba(100, 149, 237, .4)
}

/* 标签 */
.booksname {
    position: absolute;
    top: 2px;
    left: 0;
    display: block;
    width: 2.5%;
    margin-top: 10px;
    margin-left: 20px;
    /* margin-bottom: 20px; */
    padding: 10px;
    outline: none;
    font-size: 16px;
    outline-style: none;
    border: 0px;
    background-color: rgba(0, 0, 0, 0);
    border: 1px solid rgba(100, 149, 237, .3);
}

.author {
    position: absolute;
    top: 2px;
    left: 250px;
    display: block;
    width: 2.5%;
    margin-top: 10px;
    margin-left: 20px;
    /* margin-bottom: 20px; */
    padding: 10px;
    outline: none;
    font-size: 16px;
    outline-style: none;
    border: 0px;
    background-color: rgba(0, 0, 0, 0);
    border: 1px solid rgba(100, 149, 237, .3);
}

/* 搜索按钮 */
.nav-search .nav-form-group input[type="submit"] {
    float: none;
    margin-top: 14px;
    margin-left: 18px;
    background-color: #5584d5;
    border: none;
    color: #fff;
    max-width: 100px;
    cursor: pointer;
}

/* 右边操作 */
.nav-right .detail {
    color: rgb(87, 240, 87);
}

.nav-right .lend {
    color: rgba(246, 179, 54, .7);
}

.nav-right .returns {
    color: rgba(250, 26, 26, .8);
}